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Night Report 2014-12-28

Observers: Pierre-François Léget, Nicolas Chotard & Marine Ducrot
TAT:Morgan Fraser, Lluís Galbany

The sky is perfectly clear tonight. We will do EFOSC observations. Spectroscopic and photometric night.

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CALIBRATIONS:

    - 19:30UT: 1x PESSTO_calib
    - 21.00UT: 1x PESSTO_bias
    - 23:50UT: Sunset


SCIENCE-OBSERVATIONS:

     EFOSC observations  
    - 00:00UT: skyflat BR
    - 00:20UT: photometric standrad done by the TO for the ESO
    - 00:35UT: Vma2 Spectroscopic standard star (gm11, gm13, gm16). Airmass 1.33 Seeing 0.74"
    - 01:05UT: PG0231 Standar star photometry UBVRigrz. Airmass 1.22 Seeing 0.60"
    - 01:20UT: ASASSN-14lw_Spec_V_16_0__17_5_g11g16_sl1. Airmass 1.13 Seeing 0.60"
    - 02:30UT: PESSTOESO154-G10_Spec_V_14_5__16_0_g11g16_sl1. Airmass 1.16 Seeing 0.86"
    - 03:15UT: OGLE-2014-SN-073 Photometry BVRi. Airmass 1.20 Seeing 0.42"
    - 04:00UT: OGLE-2014-SN-073_Spec_V_19_5__fainter_g13_sl1.
    - 06:00UT: gd71 Spectroscopic standard star (gm11, gm13, gm16). Airmass 1.66 Seeing 0.52"
    - 06:30UT: PS114aly_spec_v_18p5_19p5_cls_g13_s1.obx. Airmass 1.51 Seeing 0.59"
    - 07:00UT: OGLE2014SN204_spec_v_fainter_19p5_cls_g13_s1. Airmass 1.43 Seeing 0.51"
    - 07:40UT: ASASSN14lp_Spec_V_14_5__16_0_g11g16_sl1.obx. Airmass 1.77 Seeing 0.70"
        Since yesterday exposures were saturated, we changed the exposure time from 900s to 700s for tonight spectra
    - 08:15UT: OGLE2014SN206_spec_v_18p5_19p5_cls_g13_s1. Airmass 2.26 Seeing 0.73"
    - 08:15UT: RU149 UBVRi. Airmass 1.56 Seeing 0.71"
    - 08:40UT: STD_LTT3864_g11+g16+gm13_1+1.5. Airmass 1.01 Seeing 0.71"
    - 09:00UT: skyflat UVi

SCIENCE-CONCLUSIONS:

with EFOSC:

followup:
ASASSN-14lw spec g11 g16
PESSTOESO154-G10 spec g11 g16
OGLE-2014-SN-073 Photometry BVRi
OGLE-2014-SN-073 spec g13
ASASSN14lp g11 g16

classification:
PS114aly --> Ia, z = 0.08, phi = +6 days
OGLE2014SN204 --> Ia, z = 0.11, phi = +0
OGLE2014SN206 --> ?
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